- Austrija / Österreich
- Bosna i Hercegovina / Босна и Херцеговина
- Bugarska / България
- Hrvatska / Hrvatska
- Češka & Slovačka / Česká republika & Slovensko
- Francuska / France
- Nemačka / Deutschland
- Grčka / ΕΛΛΑΔΑ
- Italija / Italia
- Holandija / Nederland
- Nordijske zemlje / Nordic
- Poljska / Polska
- Portugal / Portugal
- Rumunija & Moldavija / România & Moldova
- Slovenija / Slovenija
- Srbija & Crna Gora / Србија и Црна Гора
- Španija / España
- Švajcarska / Schweiz
- Turska / Türkiye
- Velika Britanija & Irska / UK & Ireland
Dr Philippe Sleiman is an assistant professor at the Faculty of Dental Medicine of the Lebanese University in Beirut in Lebanon and an adjunct professor at the University of North Carolina at Chapel Hill Adams School of Dentistry in the US. He can be contacted at profsleiman@gmail.com.